1.13. "You" (or "Your") means an individual or a legal entity
    exercising rights under, and complying with all of the terms of,
    this License. For legal entities, "You" includes any entity which
    controls, is controlled by, or is under common control with You. For
    purposes of this definition, "control" means (a) the power, direct
    or indirect, to cause the direction or management of such entity,